Answer:
The pulmonary veins carry oxygenated blood to the heart. Air enters the bronchioles in the lungs and reaches the alveoli. The capillaries join together to reach the arteries, transferring the oxygen. The oxygen-rich blood moves from the aorta and reaches the kidneys through a series of blood vessels.
which phase of water is the most dense and which is the least dense
Answer:
The ice form of water is most dense, and the vapor form of water is the least dense.
Explanation:
The molecular cohesion in ice is stronger than in liquid or vapor, forcing the molecules of water to remain closely bonded making it dense. The vapor form of water is weaker that liquid and ice since the molecules are nearly free roaming or loosely bonded making it not very dense.
Cheers.
The most dense phase of water is liquid water, and the least dense phase of water is ice.
As water freezes and transitions from a liquid to a solid state, the water molecules arrange themselves in a regular and more structured pattern, forming a crystal lattice.
This arrangement leads to an increase in the space between the water molecules compared to the more closely packed molecules in the liquid phase.
As a result, the density of ice is lower than that of liquid water.
This is due to the hydrogen bonding between water molecules.
When water freezes, the molecules slow down, and the hydrogen bonds stabilize, resulting in the formation of ice crystals with a less dense arrangement.
As the temperature decreases below 4 °C, the density of water decreases due to the expansion that occurs when it freezes into ice.
Thus, the most dense phase of water is liquid water, and the least dense phase of water is ice.
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What type of muscle is specialized for rapid and forceful contraction of short duration ?
Select one
a. Skeletal muscle
b. Smooth muscle
c. Cardiac muscle
what is the meaning of Alkaline medium in life processes
Answer:
an alkali also can be defined as a base that dissolves in water. a solution of soluble base has a pH greater than 7.0. the adjective alkaline is commonly, an alkalescent less often, used in English as a synonym for basic, especially for bases soluble in water.
During the process of translation in a eukaryote messenger RNA is spliced in the nucleus. amino acids are synthesized by RNA polymerase. transfer RNAs are joined together by a large enzyme complex. ribosomes must be imported into the nucleus. mRNA interacts with ribosomes in the cytoplasm.
Answer:
mRNA interacts with ribosomes in the cytoplasm.
Explanation:
The correct option would be that mRNA interacts with ribosomes in the cytoplasm.
Translation involves the use of genetic codes in mRNA to synthesize amino acids that are eventually linked together by polypeptide bonds to form proteins.
During translation, the mRNA synthesized in the nucleus is transported into the cytoplasm where it gets attached to the ribosome and another RNA - the tRNA. The codons on the mRNA eventually match with the anticodon of the tRNA with the later releasing the amino acid that corresponds to each codon.
Hence, the correct answer out of all the options is that mRNA interacts with ribosomes in the cytoplasm.
Which latitude lines does photoperiodism have the greatest effect? Why?
Answer: A short-day plant will not flower if light is turned on for a few minutes in the middle of the night and a long-day plant can flower if exposed to more red-light in the middle of the night. Cryptochromes are another type of photoreceptor that is important in photoperiodism. Cryptochromes absorb blue light and UV-A.
Explanation:
Glaucoma is a leading cause of blindness. Studies have linked a common form of glaucoma to three genes and more than 20 genetic loci. Which best describes glaucoma? a recessive trait that requires multiple recessive alleles to be expressed a polygenic trait that is influenced by the alleles of several genes a codominant trait that is expressed more often when more dominant alleles are present a dominant trait that depends on the presence of only one of many dominant alleles
Answer:
Question
Glaucoma is a leading cause of blindness. Studies have linked a common form of glaucoma to three genes and more than 20 genetic loci. Which best describes glaucoma?
Answer
(A) - a recessive trait that requires multiple recessive alleles to be expressed
Explanation:
Glaucoma is a polygenic trait influenced by the alleles of several genes.
Polygenic phenotypic traits are those influenced by many genes, which interact to shape the phenotype. Polygenic traits exhibit a bell-shaped distribution in a population (i.e. they have a continuous distribution). Some examples of polygenic traits include, among others, height, body shape, skin color, weight, etc.A polygenic trait that is also affected by environmental factors is known as a multifactorial trait.In conclusion, glaucoma is a polygenic trait that is influenced by the alleles of several genes.
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The diagram summarizes the light-dependent reactions of photosynthesis. A diagram shows the light-dependent reactions of photosynthesis. x goes to the light dependent reaction. The light dependent reaction goes to chemical energy and oxygen. What is the input of the light-dependent reactions, labeled X? CO2, H2O, O2, and light CO2, H2O, and light CO2 and H2O H2O and light
Answer:
Although there is no diagram attached to this question but it can be answered based on the general knowledge of photosynthesis. The answer is:
H2O and light
Explanation:
Photosynthesis is a unique phenomenon that occurs in the Chloroplast of plant cells. It is the process by which plants and other autotrophs obtain their energy source (food) in the presence of sunlight. Photosynthetic process occurs in two distinct stages viz: light dependent reaction and light independent reactions.
The light dependent reaction, as the name implies, is dependent on light to occur. It occurs in the Thylakoid membrane of the Chloroplast, where a photon of light is captured by the Chlorophyll pigment and the energy is used to split molecule of water in a process called PHOTOLYSIS OF WATER. The transfer of electrons across the thylakoid membrane creates a proton pump, which is used to generate ATP and NADPH. NADPH and ATP are electron and energy carriers respectively which enters into the light independent stage in order to synthesize glucose (sugar).
In a nutshell, the inputs of the light dependent stage are LIGHT from the sun, and water (H2O), which provides the proton and electron when split.
Answer:
its D
Explanation:
Jameson lives in a city on the shores of the Atlantic Ocean. The temperature fluctuations are relatively small in his city because takes longer to heat up and cool down due to its high .
Answer:
Water, high specific heat capacity
Explanation:
The temperature fluctuations are relatively small in Jameson city because takes water longer to heat up and cool down due to its high specific heat capacity because water has high heat capacity that is it absorb alot of heat before it start to get hot. takes more energy to increase the temperature of water compared to other substances which help to regulate extremes in the environment.
Water surrounding cities take longer to heat up and longer to cool down so cities that are near the oceans will tend to have less change and less extreme temperatures compared to inland cities.
Answer:
I believe it's (water and specific heat) let me know if this is correct :)
• How the knowledge of classification be applied to assess the characteristics of different organisms when visit to zoo, herbaria or gardens.(Students may do research on internet to answer this question )
plz correct answer
be quick
Answer:
Compare two organism on the physical features and mode of nutrition.
Explanation:
Organisms are classified in groups and sub-groups on the basis of similarities and differences. so in order to compare two organisms, start with the similarities that are present between them. If similarities are more so they belong to the same group or if differences are more than both are placed in different groups. for classification, see the physical appearance of organism, mode of nutrition and habitat etc. If organisms are identical, they belong to the same species, if one or two characters are different so their genus will be same but specie is different. In zoo animals are different from the animals which is present in garden so compare the physical features of zoo and garden animals.
what are some non examples of hydroshere
The hydrosphere is made up of all the water on the planet, including the water found below the surface and in the atmosphere. A planet's hydrosphere may be liquid, vaporous, or composed of ice. The three surface water bodies on Earth are oceans, lakes, and rivers.
What are some non examples of hydrosphere?It comprises all surface waters that are liquid or frozen, groundwater that is contained in soil or rock, and atmospheric water vapor. The hydrologic cycle continuously circulates almost all of these waters. In wells and aquifers, it can also be found underground as groundwater.
Within the hydrosphere, water circulates in a cycle. Clouds contain water that eventually falls to Earth as rain or snow.
Therefore, Rivers, lakes, and seas are where this water gathers. The cycle is then restarted by its evaporation into the atmosphere. The water cycle refers to this.
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Which statement describes the role of the organism indicated by the blue arrow in the food web?
A secondary consumer that obtains its energy from the consumption of plants
A primary producer that recycles organic molecules from sunlight
A primary decomposer that recycles organic molecules by breaking them down
A primary consumer that obtains its energy from the consumption of plants
Answer:
A primary consumer that obtains its energy from the consumption of plants
Explanation:
Organisms that eat the producers are the primary consumers. In this case, the producer is the grass, which is then eaten by the primary consumer, the meadow vole.
The nephron of mammals and malpighian tubules of insects are both involved in water and salt balance. They are also similar in that they are both:_______
It can be inferred from the passage that the time required to replenish muscle glycogen following anaerobic glycolysis is determined by which of the following factors? I. Rate of oxidative metabolism II. Quantity of lactic acid in the body fluids III. Percentage of glucose that is returned to the muscles
Answer:
Percentage of glucose that is returned to the muscles.
Explanation:
After intense physical activity, where glycogen reserves are consumed, the muscle acquires its resting and reactivation position, is where the organism that feeds the new reserves for the next physical activity is located.
Foods rich in carbohydrates identified as ATP or glucose in good quantities, but this depends on the amount of intake and the quality of the food, that is how when consuming these sources, the serum glucose values are metabolized, that is, increases glycemia and this promotes the release of insulin that is responsible for generating energy reserves with more complex chemical bonds such as glycogen.
what is the SI unit of focal length
,
Answer:
dioptre is si unit of focal length
where 1 dioptre = 1 m^-1
What is The mutation caused by the addition of a nucleotide to an already existing gene sequence called? A. deletion B.duplication C.insertion D. Inversion ??
Answer:
Insertion
Explanation:
An example of this genetic disorder is the trisomy 21
When the ranges of two different species meet, a stable "hybrid zone" occupied by hybrid individuals may form. How is this possible? When the ranges of two different species meet, a stable "hybrid zone" occupied by hybrid individuals may form. How is this possible? Two diverged populations are capable of mating and producing viable and fertile offspring. Hybrid individuals may have reduced fitness and thus be strongly selected against. Hybrid individuals are always allopolyploid and are thus unable to mate with either of the original species. One species has a selective advantage, so as hybridization continues, the other species will go extinct.
Answer:
Two diverged populations are capable of mating and producing viable and fertile offspring.
Explanation:
Although the biological concept of species says that two different species can not mate and produce viable fertile descendants, the hybrid zones are characterized for being an area where two different genetically groups meet and reproduce. These groups might be the same or different species.
This is a frequent phenomenon in nature, and widely common geographically and among taxonomic groups. It is not rear that different sympatric populations, with a short time of divergence and similar reproductive strategies, can hybridize and even generate new populations that get reproductively isolated from their parentals.
When talking about sympatry we refer to two similar species that coincide in part or their whole distribution area.
These new populations are even morphologically different from the parental forms, which allow them to colonize new habitats and niches, promoting diversification.
Hibridation zones are very important to conserve, just because they are points of genetic diversity generation and diversification areas.
When the ranges of two different species meet, a stable "hybrid zone" occupied by hybrid individuals can form. This is possible because hybrid individuals are always allopolyploid and therefore are unable to mate with any of the original species, to understand more we need to know that......
Hybrid animalsHybridization, that is, the process through which different species reproduce, generating an offspring, is not considered a very common phenomenon in nature. This is because, in general, species have a distinct number of chromosomes, the cell structures that contain genes. These differences in the number of chromosomes can make the development of the embryo unfeasible, as the alignment of equivalent chromosomes from the female and the male are necessary for the division of the fertilized cell to occur. When this alignment does not occur, the cell does not reproduce and dies. However, in some cases, even with the lack of chromosome pairs, reproduction between different species is successful, generating the hybrid. However, the birth of the individual does not mean that its survival is guaranteed. Often, the hybrid generated is weaker than its parents and does not survive; in other cases, the hybrid can adapt better to the environment than the species that conceived it.
With this information, we can conclude that hybrid animals are a cross between two different species, but this hybrid can have several complications for its survival.
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In the autumn, many birds will collect seeds and then hide them in various caches throughout their habitat. The birds will guard their caches from other birds, and move the caches if they start to dry out. These caches provide a food source for the birds during the winter. What is an abiotic factor that contributed to the evolution of this set of behaviors? A. being preyed upon by larger birds B. competition with other birds for space C. limited food availability D. cold winter climate
Answer:cold winter climate
Explanation:During winter specially in the eastern and western part of the world....snows bury grounds and food that enables this organisms live....and cold can also affect them
Answer:
Answer: c. limited food availability
Explanation:
Both biotic and abiotic factors are responsible for shaping the evolutionary framework of the population. Resource availability can be one of the important abiotic factor in determining the evolutionary dynamics of the population or species. Limitations in resource can result in increase in competition. According to population exclusion principle when two species compete for the same limiting resource this results in co-evolution of both the species. But the extent of evolution may vary among the species. The one which undergoes more favorable evolution will be stronger competitor and drive more resources and will be fit for survival in adverse limiting conditions.
Blood pressure is determined by:________. A. estimating the degree of turbulence in a partly closed vessel. B. listening carefully to the pulse. C. measuring the size of the pulse. D. estimating the pressure needed to close off an artery with an external pressure cuff. E. measuring the force of contraction of the left ventricle.
Answer:
D. estimating the pressure needed to close off an artery with an external pressure cuff.
Explanation:
what is the difference between your town's minimum temperatures yesterday? In your answer, list one explanation for why temperature changes during the day.
Answer:
Maximum temperature was 40 Celsius at daytime while temperature at night was 31 Celsius.
Explanation:
Yesterday maximum temperature was 40 Celsius at daytime while temperature at night was 31 Celsius because during daytime the intensity of sunlight increases the temperature of the particles present in the atmosphere. So at daytime, temperature increases while at night decrease occurs in the temperature. There is a lot of fluctuation in temperature at daytime due to increasing and lowering the intensity of light.
Answer:
The difference between the high and low temperatures in New York City was 12 degrees. One reason for the temperature difference is Earth’s rotation. Temperatures are generally warmer during the day because that side of the planet is heated by the Sun. At night, that side faces away from the Sun. So, temperatures will be cooler.
Explanation:
True or False: Polar molecules do not have a difference in electrical charge.
Answer:
false
Explanation:
nonpolar molecule has no separation of charge, so no positive or negative poles are formed
Type your response in the box. Many countries have laws that regulate hunting, including restricting hunting to specific times of year. Why is this hunting restriction important for preserving certain animal populations?
Answer:
You can only hunt dear (example) for only sertin times of the year because when the doe's have their fans people want them to get big before they shoot them
Answer:
Animal populations can change from one season to another, so it’s important to restrict hunting to seasons when the population is high. Such a restriction helps prevent a severe drop in population, which could threaten the species. It’s also important to limit hunting during breeding seasons to increase the possibility of offspring reaching adulthood.
Explanation:
Plato.
what happens to the chromosomes if nondisjunction occurs during meiosis one versus meiosis two
Answer:
Nondisjunction is defined as the failure in the separation of homologous chromosomes or sister chromatids during nuclear division.
Nondisjunction occurs in both phases meiosis one (I) and meiosis two (II) during anaphase but both in both phases nondisjunction is different.
In meiosis I, homologous chromosomes fail to separate while in meiosis II, sister chromatids fail to separate.
who discovered micro organisms
Robert Hooke is the person that discovered Micro organism
Answer:
An English architect, "Robert Hooke" discovered micro organisms in 1665.
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Recreate the sequence that occurs in the carbon cycle beginning with carbon dioxide gas.
combustion, atmosphere, soil organic matter, fossil fuel, plant biomass.
The four phases of the carbon cycle, which is vitally important for both plants and animals, are as follows:
What is carbon cycle?A sequence of environmental processes known as the "carbon cycle" involve the absorption of carbon dioxide into living tissue through photosynthesis, its release back into the atmosphere through respiration, the decomposition of extinct creatures, and the burning of fossil fuels.
1. Carbon dioxide, a type of carbon, is released into the atmosphere. Examples include combustion and breathing.
2. Plants use the carbon dioxide in the air, and following photosynthesis, they release oxygen into the atmosphere.
3. Environment-present animals consume plants and transfer carbon up the food chain. They breathe out carbon dioxide into the atmosphere. Animals and plants pass away after a specific amount of time.
4. Unless fossils of plants and animals are developed, which also contain carbon, the body of plants and animals is eaten through decomposition, returning the carbon to the environment in the form of carbon dioxide.
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Where should keisha place an x
next to a but i dont study algebra sorry
ang Chlorophy
1. Which cell types remain in a non dividing stars and do not comes the trials
process?
-cles of Cells
A muscle cells and nerve cells
B skin cells and muscle cells
cles of Cells
C muscle cells and skin cells
D liver cells and nerve cells
Answer:
A. Muscle and Nerve cells
Explanation:
These two kinds of cells remain in a non-dividing state. The rest of these cell types multiply/divide.
During the 1950s, a scientist named Lysenko tried to solve the food shortages in the Soviet Union by breeding wheat that could grow in Siberia. He theorized that if individual wheat plants were exposed to cold, they would develop additional cold tolerance and pass it to their offspring. Based on the ideas of artificial and natural selection, do you think this project worked as planned
Answer:
No
Explanation:
Trofim Lysenko was a Biologist in the then Soviet Union, who did not believe in the fundamental laws of science. Selective breeding is the method developed by humans to change certain characteristics of species to desired outcomes. This is based on the fact that living things have inheritable traits encoded in genes that can be passed from one generation to another.
Lysenko did not believe in this fact. He rather believed that when exposed to the right environment, plants and animals soon become adjusted to the exposure and can then develop traits that would be passed on to their offsprings. He applied this theory of his when he exposed wheat plants to cold believing that they would develop tolerance to cold. This failed woefully and resulted in severe starvation that caused the death of millions of people in the Soviet Union.
Which amino acid chain will be formed by the condons shown below?
Answer:
D. Gly Lys Cys
Explanation:
PLEASE HELP!! What are the limitations of sending information using electromagnetic waves?
Answer:
Explanation:
he limitations of sending information using electromagnetic waves is that when the electromagnetic waves move outward in all directions, wave transmitters need to be focused to transmit their signals to a single specified location.
During which of the following processes is carbon released into the atmosphere as carbon dioxide?
OA. photosynthesis and combustion
respiration and photosynthesis
OC. respiration and combustion
OD. combustion and sedimentation
22 of 30 Answered
Session Timer: 3:55
Answer:
Respiration and Combustion
Explanation:
